:root {
  --bg: #071428;
  --bg-elevated: #0c1d38;
  --bg-soft: #102445;
  --ink: #e8eef6;
  --ink-dim: rgba(232, 238, 246, 0.62);
  --ink-faint: rgba(232, 238, 246, 0.38);
  --line: rgba(232, 238, 246, 0.12);
  --line-strong: rgba(232, 238, 246, 0.22);
  --accent: #7eb6d4;
  --accent-soft: rgba(126, 182, 212, 0.14);
  --font-display: "Space Grotesk", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "Space Grotesk", sans-serif;
  --max: 1120px;
  --nav-h: 4.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 0.5rem);
}

::selection {
  background: rgba(126, 182, 212, 0.35);
  color: #fff;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 80% -10%, rgba(126, 182, 212, 0.1), transparent 55%),
    radial-gradient(700px 400px at 0% 40%, rgba(20, 60, 110, 0.35), transparent 50%),
    linear-gradient(180deg, #061122 0%, var(--bg) 30%, #08162c 100%);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.version-switch {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  padding: 0.65rem 0.95rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--bg);
  background: var(--ink);
  border: 1px solid transparent;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.version-switch:hover {
  transform: translateY(-2px);
}

/* ——— Nav ——— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0 clamp(1.25rem, 4vw, 2.75rem);
  color: var(--ink);
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(7, 20, 40, 0.88);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.98rem;
}

.logo-img {
  height: 2.55rem;
  width: auto;
  display: block;
}

.logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.88rem;
  color: var(--ink-dim);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.nav-links a {
  position: relative;
  padding: 0.35rem 0;
  transition: color 0.22s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a.is-current::after {
  transform: scaleX(1);
}

.nav-links a.is-current {
  color: #fff;
}

.nav-cta {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(126, 182, 212, 0.45);
  color: #d7eef6;
  background: rgba(126, 182, 212, 0.08);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #071428;
}

.nav-toggle {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--ink);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 35;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.25rem 1.5rem;
  background: rgba(7, 20, 40, 0.96);
  border-bottom: 1px solid var(--line);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  padding: 0.85rem 0.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-dim);
}

.mobile-menu .btn {
  margin-top: 0.85rem;
  border-bottom: 0;
  justify-content: center;
}

/* ——— Hero ——— */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding:
    calc(var(--nav-h) + 2rem)
    clamp(1.25rem, 4vw, 2.75rem)
    clamp(5.5rem, 10vh, 7rem);
  position: relative;
  overflow: hidden;
  background: #050e1c;
}

.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slides,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slide {
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s ease, visibility 1.1s ease;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide.is-active .hero-slide-media {
  animation: kenBurns 7.5s ease-out both;
}

.hero-slide-media {
  position: absolute;
  inset: -2%;
  background-color: #0a1a30;
  background-image: var(--img);
  background-size: cover;
  background-position: center;
  filter: saturate(0.7) brightness(0.72);
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 14, 28, 0.92) 0%, rgba(5, 14, 28, 0.7) 38%, rgba(5, 14, 28, 0.35) 70%, rgba(5, 14, 28, 0.55) 100%),
    linear-gradient(180deg, rgba(5, 14, 28, 0.55) 0%, transparent 35%, transparent 55%, rgba(5, 14, 28, 0.88) 100%);
}

.hero-arrow {
  position: absolute;
  top: 50%;
  z-index: 4;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  background: rgba(5, 14, 28, 0.35);
  backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.hero-arrow svg {
  width: 1.05rem;
  height: 1.05rem;
}

.hero-arrow:hover {
  border-color: var(--accent);
  background: rgba(126, 182, 212, 0.12);
}

.hero-arrow-prev { left: clamp(0.75rem, 2vw, 1.4rem); }
.hero-arrow-next { right: clamp(0.75rem, 2vw, 1.4rem); }

.hero-controls {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 4;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2.5rem, var(--max));
}

.hero-dots {
  display: flex;
  gap: 0.5rem;
}

.hero-dot {
  width: 2rem;
  height: 1.5px;
  padding: 0;
  background: rgba(255, 255, 255, 0.22);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.hero-dot::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--accent);
}

.hero-dot.is-active::after {
  width: 100%;
  animation: dotProgress 5.5s linear;
}

.hero-carousel.is-paused .hero-dot.is-active::after {
  animation: none;
  width: 100%;
}

.hero-play {
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--ink);
}

.hero-play .icon-pause,
.hero-play .icon-play {
  display: block;
  width: 0.65rem;
  height: 0.65rem;
  position: relative;
}

.hero-play .icon-pause::before,
.hero-play .icon-pause::after {
  content: "";
  position: absolute;
  top: 0;
  width: 1.5px;
  height: 100%;
  background: currentColor;
}

.hero-play .icon-pause::before { left: 0.12rem; }
.hero-play .icon-pause::after { right: 0.12rem; }

.hero-play .icon-play {
  display: none;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0.32rem 0 0.32rem 0.55rem;
  border-color: transparent transparent transparent currentColor;
}

.hero-play[data-playing="false"] .icon-pause { display: none; }
.hero-play[data-playing="false"] .icon-play { display: block; }

.hero-layout {
  position: relative;
  z-index: 3;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero-content {
  max-width: 40rem;
  padding: 1.75rem 0 0.25rem;
  animation: riseIn 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.brand-signal {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  color: #fff;
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.brand-legal {
  margin: 1rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  font-weight: 400;
}

.hero h1 {
  margin: 1.75rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.45;
  color: rgba(232, 238, 246, 0.88);
}

.hero-lead {
  margin: 1.1rem 0 0;
  max-width: 30rem;
  color: var(--ink-dim);
  font-size: 0.98rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.3rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--bg);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

/* ——— Sections ——— */
.section {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: clamp(4.5rem, 10vh, 6.5rem) 0;
}

.section-head {
  margin-bottom: 2.75rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  font-weight: 500;
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.section-head h2,
.about-main h2,
.contact-block h2,
.detail-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.section-lead {
  margin: 0.9rem 0 0;
  color: var(--ink-dim);
  font-weight: 300;
  max-width: 32rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* About */
.about {
  border-top: 1px solid var(--line);
}

.about-row {
  display: grid;
  grid-template-columns: auto 1.2fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.about-main p {
  margin: 1.1rem 0 0;
  color: var(--ink-dim);
  font-weight: 300;
  max-width: 28rem;
}

.about-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: about;
}

.about-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.9rem;
  row-gap: 0.2rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.about-list li::before {
  counter-increment: about;
  content: "0" counter(about);
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.about-list strong {
  font-weight: 500;
  font-size: 0.98rem;
}

.about-list span {
  color: var(--ink-faint);
  font-size: 0.88rem;
  font-weight: 300;
}

/* Capabilities — line list, no cards */
.cap-lines {
  border-top: 1px solid var(--line);
}

.cap-line {
  display: grid;
  grid-template-columns: 3.5rem 1fr 1.2fr;
  gap: 1.25rem;
  align-items: baseline;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s ease;
}

.cap-line:hover {
  padding-left: 0.5rem;
}

.cap-no {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.cap-line h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 500;
}

.cap-line p {
  margin: 0;
  color: var(--ink-dim);
  font-weight: 300;
  font-size: 0.95rem;
}

/* Cases */
.cases {
  display: grid;
  gap: 0;
}

.case {
  display: grid;
  grid-template-columns: 4rem 1.1fr 0.9fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(2.5rem, 5vh, 3.5rem) 0;
  border-top: 1px solid var(--line);
}

.case:last-child {
  border-bottom: 1px solid var(--line);
}

.case-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.case-tag {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
}

.case-body h3 {
  margin: 0 0 0.75rem;
  font-size: 1.45rem;
  font-weight: 560;
}

.case-body > p {
  margin: 0;
  color: var(--ink-dim);
  font-weight: 300;
  max-width: 26rem;
}

.case-body ul {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.case-body li {
  font-size: 0.86rem;
  color: var(--ink-dim);
  position: relative;
  padding-left: 0.85rem;
}

.case-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--accent);
}

.case-visual {
  min-height: 220px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}

.case-visual.fitness .ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 110px;
  height: 110px;
  border: 1px solid rgba(126, 182, 212, 0.45);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 3s ease-out infinite;
}

.case-visual.fitness .ring::after {
  content: "";
  position: absolute;
  inset: 28%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--accent));
  opacity: 0.85;
}

.case-visual.drive .path {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-visual.drive .path i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--bg-elevated);
  box-shadow: 0 0 0 1px rgba(126, 182, 212, 0.5);
  animation: nodeBlink 2.4s ease-in-out infinite;
}

.case-visual.drive .path i:nth-child(2) { animation-delay: 0.3s; }
.case-visual.drive .path i:nth-child(3) { animation-delay: 0.6s; }
.case-visual.drive .path i:nth-child(4) { animation-delay: 0.9s; }

/* Product overview cards */
.product-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.7rem 1.45rem 1.45rem;
  background:
    linear-gradient(180deg, rgba(126, 182, 212, 0.08), transparent 42%),
    var(--bg-elevated);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(2, 8, 18, 0.22);
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(126, 182, 212, 0.45);
  background:
    linear-gradient(180deg, rgba(126, 182, 212, 0.14), transparent 48%),
    var(--bg-soft);
}

.pc-no {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 1.15rem;
}

.product-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.16rem;
  font-weight: 560;
  letter-spacing: 0.01em;
}

.product-card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.7;
}

.pc-go {
  margin-top: auto;
  padding-top: 1.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.product-card:hover .pc-go {
  color: #d7eef6;
}

/* Product detail */
.product-detail {
  border-top: 1px solid var(--line);
}

.detail-head {
  max-width: 40rem;
  margin-bottom: 2.25rem;
}

.detail-head p:not(.eyebrow):not(.std-badge) {
  margin: 1rem 0 0;
  color: var(--ink-dim);
  font-weight: 300;
}

.detail-head strong {
  color: var(--ink);
  font-weight: 560;
}

.std-badge {
  display: inline-block;
  margin: 1rem 0 0 !important;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem !important;
  letter-spacing: 0.04em;
  color: var(--accent) !important;
  font-weight: 500 !important;
  border: 1px solid rgba(126, 182, 212, 0.35);
  background: var(--accent-soft);
}

.shot {
  margin: 0 0 2rem;
}

.shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  background: #050e1c;
  box-shadow: 0 24px 50px rgba(2, 8, 18, 0.35);
}

.shot figcaption {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

.shot-wide img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top;
}

.dual-shot {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 2rem;
}

.shot-phone {
  max-width: 260px;
  margin-left: auto;
  margin-right: auto;
  padding: 0.55rem 0.5rem 0.85rem;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, #102445, #071428);
  box-shadow: 0 22px 48px rgba(2, 8, 18, 0.4);
}

.shot-phone img {
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  box-shadow: none;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 0;
}

.advantage-grid article {
  padding: 1.45rem 1.35rem 1.4rem;
  border: 1px solid var(--line);
  background: rgba(12, 29, 56, 0.42);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.advantage-grid article:hover {
  border-color: rgba(126, 182, 212, 0.4);
  background: rgba(16, 36, 69, 0.72);
  transform: translateY(-2px);
}

.advantage-grid article:nth-child(even) {
  padding-left: 1.35rem;
  border-left: 1px solid var(--line);
}

.advantage-grid h3 {
  margin: 0 0 0.55rem;
  font-size: 1.02rem;
  font-weight: 560;
}

.advantage-grid p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
  font-weight: 300;
}

.advantage-grid code {
  font-family: var(--font-display);
  font-size: 0.86em;
  color: var(--accent);
}

.feature-strip {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  border-top: 1px solid var(--line);
}

.feature-strip li {
  position: relative;
  padding-left: 0.9rem;
  color: var(--ink-dim);
  font-size: 0.88rem;
  font-weight: 300;
}

.feature-strip li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--accent);
}

.mp-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.75rem;
}

.mp-gallery figure {
  margin: 0;
}

.mp-gallery figure {
  overflow: hidden;
}

.mp-gallery img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line-strong);
  background: #050e1c;
  box-shadow: 0 16px 36px rgba(2, 8, 18, 0.28);
  transition: transform 0.45s ease, border-color 0.3s ease;
}

.mp-gallery figure:hover img {
  transform: translateY(-4px);
  border-color: rgba(126, 182, 212, 0.45);
}

.mp-gallery figcaption {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-align: center;
}

.contact-desc {
  margin: 1rem auto 0;
  max-width: 28rem;
  color: var(--ink-dim);
  font-weight: 300;
}

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.steps li {
  padding: 1.35rem 1.15rem 1.25rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  background: rgba(12, 29, 56, 0.4);
  display: grid;
  gap: 0.45rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.steps li:hover {
  border-color: rgba(126, 182, 212, 0.4);
  transform: translateY(-3px);
}

.steps span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.steps strong {
  font-weight: 500;
  font-size: 1.02rem;
}

.steps em {
  font-style: normal;
  color: var(--ink-faint);
  font-size: 0.88rem;
  font-weight: 300;
}

/* Contact */
.contact-block {
  padding: clamp(3.25rem, 7vw, 4.75rem) clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--line-strong);
  text-align: center;
  background:
    radial-gradient(520px 220px at 50% 0%, rgba(126, 182, 212, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(16, 36, 69, 0.65), rgba(7, 20, 40, 0.2));
  box-shadow: 0 28px 60px rgba(2, 8, 18, 0.28);
}

.contact-block h2 {
  margin-top: 0.5rem;
}

.mail {
  display: inline-block;
  margin-top: 1.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #fff;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 0.25rem;
  transition: color 0.2s ease;
}

.mail:hover {
  color: var(--accent);
}

.contact-note {
  margin: 1.25rem 0 0;
  color: var(--ink-faint);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.footer {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 1.5rem 0 2.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.footer a:hover {
  color: var(--accent);
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kenBurns {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}

@keyframes dotProgress {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(0.85); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1.45); opacity: 0; }
}

@keyframes nodeBlink {
  0%, 100% { box-shadow: 0 0 0 1px rgba(126, 182, 212, 0.35); }
  50% { box-shadow: 0 0 0 6px rgba(126, 182, 212, 0.08); }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .hero-arrow { display: none; }

  .about-row {
    grid-template-columns: 1fr;
  }

  .product-cards {
    grid-template-columns: 1fr;
  }

  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .advantage-grid article:nth-child(even) {
    padding-left: 1.35rem;
    border-left: 1px solid var(--line);
  }

  .dual-shot {
    grid-template-columns: 1fr;
  }

  .shot-phone {
    max-width: 240px;
  }

  .feature-strip {
    grid-template-columns: 1fr 1fr;
  }

  .mp-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 1rem;
  }
}

@media (max-width: 560px) {
  .brand-signal {
    font-size: clamp(2.4rem, 13vw, 3.2rem);
  }

  .steps,
  .feature-strip {
    grid-template-columns: 1fr;
  }

  .nav-cta {
    display: none;
  }

  .mp-gallery {
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}